Thunderbird Formula 400 Super Sport vs Willie Drift Boat 19X60: 5-year value retention (68% vs 68%), resale value, and cost of ownership head-to-head. Thunderbird Formula 400 Super Sport holds its value better.
On five-year value retention the Thunderbird Formula 400 Super Sport comes out ahead, holding about 68% of its value versus 68% for the Willie Drift Boat 19X60. Over the first five years the Thunderbird Formula 400 Super Sport loses roughly $318,314 while the Willie Drift Boat 19X60 loses about $2,095 — a gap near $-316219.
First-year drop is the biggest factor: the Thunderbird Formula 400 Super Sport sheds about 6% in year one versus 7% for the Willie Drift Boat 19X60. If you buy used, the steeper early drop is what the original owner absorbs.
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